lidar
or LI·DAR
[lahy-dahr]
- a device similar to radar in principle and operation but using infrared laser light instead of radio waves and capable of detecting particles, distant objects, and varying physical conditions in the atmosphere.
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Origin of lidar
Also called laser radar.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for lidar
Historical Examples of lidar
There are many other important active sensor classes, three of which are active acoustics, lidar and magnetic anomaly detectors.
Shock and AweHarlan K. Ullman
Lidar detects shape directly and shape fluctuations such as vibration and motion and has proven very hard to spoof.
Shock and AweHarlan K. Ullman
Islamabad is the starting-point for both the Lidar valley and Martand, and here the house-boat may be left.
KashmirSir Francis Edward Younghusband
A favourite side-valley is the Lidar, for which the road takes off from the main valley at Bijbehara.
KashmirSir Francis Edward Younghusband
And so, in marches of about ten miles a day, we came to Pahlgam on the banks of the dancing Lidar.
The Ninth Vibration And Other StoriesL. Adams Beck
lidar
[lī′där]
- A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of pulsed laser light reflected from their surfaces. Lidar operates on the same principles as radar and sonar.
- The equipment used in such detection. See also Doppler effect radar sonar.
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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.